Hidden gems in museum cabinets: new species and new distributional records of Scolytodes (Coleoptera: Scolytinae)
Author
Jordal, Bjarte H.
text
Zootaxa
2018
2018-10-23
4504
1
76
104
journal article
22568
10.11646/zootaxa.4504.1.4
2ffe9030-0b6d-48d9-88a0-819dc0c8a941
1175-5326
3770961
ABE697DE-EB0F-424D-BC5C-FA8CF36F27DA
Scolytodes minimus
Jordal
,
sp. nov.
urn:lsid:zoobank.org:pub:
ABE697DE-EB0F-424D-BC5C-FA8CF36F27DA
(
Figs 11, 14, 17
)
Type material.
Holotype
, female:
Panama
,
San Blas Prov
,
Nusagandi
,
320m
,
9°19’ N
,
78°55’W
, 27¯
28 May 1995
, FIT,
Gillogly
&
Stockwell. Type
deposited in
TAMU
.
Diagnosis.
Interstriae 10 elevated to level of ventrite 1; protibiae with an additional mesal tooth. Superficially similar to
S. parvulus
Wood
and other species in the
acares
group, but differs strongly by having distinctly impressed striae and coarse granules at the base of interstrial setae. Also superficially similar to
S. montanus
Jordal
and
S. potens
Jordal
, but much smaller, with scattered, long, erect setae on elytra.
Description female.
Length
1.4 mm
, 2.2 × longer than wide; colour brown.
Head
. Eyes entire, separated above by 2.4 × their width. Frons weakly concave on a circular area occupying three-quarter the width frons on lower half; impressed area densely punctate with fine setae, impunctate and glabrous above. Antennal club setose, without sutures. Funiculus 5-segmented.
Pronotum
smooth, shiny, punctures very faint. Vestiture consisting of 6 erect setae (4–2–0).
Elytra
smooth, shiny, striae strongly impressed, punctures small, deep, separated in regular rows by 1 × their diameter; interstriae approximately 4¯5 × wider than striae, punctures tiny, obscure. Vestiture consisting of 5¯7 erect, long setae on each odd interstriae, with a coarse granule at base of setae.
Legs.
Procoxae separated by 0.7 × and mesocoxae 1.1 × the width of one procoxa. Protibiae narrow, distal teeth 1 and 2 of equal length, 2¯3 tiny granules along the edge towards base; protibial mucro obtuse. Mesotibiae with 6 lateral, socketed teeth on distal half, metatibiae with 5 lateral, socketed teeth on distal third.
Ventral vestiture
. Setae on metasternum and metanepisternum simple.
Male.
Not known.
Key (Wood 1982).
With much hesitation the species may key to couplet 22 and 23, without matching
S.
c
lusiae
Wood or similar species.
Etymology.
The
Latin
name
minimus
is a masculine nominative adjective, meaning smallest, and refers to the much smaller size compared to
S. montanus
Jordal
and
S. potens
Jordal
Biology and distribution.
This species is only known from the
type
locality at low altitude in
Panama
.